Robtex

Up: 203.211.138.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.211.138.0/26
Down right: 203.211.138.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.211.138.5	A+PTR	5.203-211-138.static.qala.com.sg
203.211.138.11	A+PTR	11.203-211-138.static.qala.com.sg
203.211.138.12	A+PTR	12.203-211-138.static.qala.com.sg
203.211.138.23	PTR	mail.kholix.com
203.211.138.23	A	23.203-211-138.static.qala.com.sg
203.211.138.42	PTR	sx01.simprit.com
203.211.138.46	A	46.203-211-138.static.qala.com.sg
203.211.138.50	A	50.203-211-138.static.qala.com.sg
203.211.138.51	A	mjiuniversal.com
203.211.138.53	PTR	53.203-211-138.static.qala.com.sg
203.211.138.53	A	qcsonline.com.sg
203.211.138.55	A	*.247virtualoffice.com
203.211.138.55	A	ns2.247virtualoffice.com
203.211.138.56	A	mail2.247virtualoffice.com
203.211.138.58	A	58.203-211-138.static.qala.com.sg
203.211.138.67	A	67.203-211-138.static.qala.com.sg
203.211.138.68	PTR	server.edm.sg
203.211.138.68	A	designfortoday.com
203.211.138.68	A	notionage.com.sg
203.211.138.69	PTR	server.edm.sg
203.211.138.69	A	iiko.autodesk.com
203.211.138.101	PTR	101.203-211-138.static.qala.com.sg
203.211.138.103	A	103.203-211-138.static.qala.com.sg
203.211.138.107	PTR	mx1.erintlschool.com
203.211.138.109	A	109.203-211-138.static.qala.com.sg
203.211.138.119	A	119.203-211-138.static.qala.com.sg
203.211.138.126	A+PTR	126.203-211-138.static.qala.com.sg
203.211.138.126	A	mail.luciafoundation.org
203.211.138.126	A	icentel.com
203.211.138.127	PTR	127.203-211-138.static.qala.com.sg
203.211.138.127	A	ns2.elusyf2u.com
203.211.138.127	A	ns2.zhengou168.com